TABLE 3.
Characteristics of low-voltage areas at the opposite side (N = 164,704 per parameter).
| Endocardial | Unipolar | Omnipolar | ||||
|---|---|---|---|---|---|---|
| Normal | Epi-LVA | EE-LVA | Normal | Epi-LVA | EE-LVA | |
| N (%) | 96.0% | 0.9% | 0.8% | 86.3% | 1.9% | 2.1% |
| Unipolar (mV) | 6.3 [3.4–11.1] | 2.2 [1.4–5.0] | 0.8 [0.6–0.9] | 7.0 [4.2–11.9] | 3.2 [1.8–6.2] | 1.2 [0.8–1.6] |
| Omnipolar (mV) | 3.5 [1.3–8.9] | 1.6 [0.6–4.8] | 0.2 [0.2–0.3] | 4.2 [1.7–9.8] | 2.1 [0.9–6.2] | 0.3 [0.2–0.4] |
| CV (cm/s) | 84.4 [63.5–104.0] | 68.4 [48.6–89.0] | 53.9 [29.2–81.6] | 86.7 [66.8–105.4] | 70.0 [50.0–91.4] | 54.6 [32.7–82.0] |
| EEA (%) | 2.2% | 18.3% | 9.3% | 1.8% | 14.0% | 7.2% |
| Epicardial | Normal | Endo-LVA | EE-LVA | Normal | Endo-LVA | EE-LVA |
| N (%) | 96.0% | 2.3% | 0.8% | 86.3% | 9.6% | 2.1% |
| Unipolar (mV) | 8.4 [5.2–11.8] | 3.8 [2.0–6.5] | 8.8 [5.7–12.1] | 8.8 [5.7–12.1] | 5.6 [3.2–8.8] | 1.2 [0.9–1.6] |
| Omnipolar (mV) | 6.9 [3.4–11.0] | 3.5 [1.3–7.0] | 0.2 [0.2–0.4] | 7.1 [3.8–11.3] | 5.2 [2.1–9.2] | 0.3 [0.2–0.4] |
| CV (cm/s) | 84.8 [67.8–100.8] | 78.8 [59.1–98.4] | 57.5 [32.7–84.2] | 85.7 [69.1–101.4] | 78.9 [62.0–95.5] | 55.9 [34.2–81.3] |
| EEA (%) | 2.2% | 21.3% | 9.5% | 1.8% | 9.2% | 7.3% |
Values are presented as median [interquartile ranges] or incidence (distribution of parameter).
CV, conduction velocity; EEA, endo-epicardial asynchrony; EE-LVA, endo-epicardial low-voltage area; Endo-LVA, endocardial low-voltage area; Epi-LVA, epicardial low-voltage area.